MediaWiki:Common.js

Note: After publishing, you may have to bypass your browser's cache to see the changes.

• Firefox / Safari: Hold Shift while clicking Reload, or press either Ctrl-F5 or Ctrl-R (⌘-R on a Mac)
• Google Chrome: Press Ctrl-Shift-R (⌘-Shift-R on a Mac)
• Edge: Hold Ctrl while clicking Refresh, or press Ctrl-F5.

/* Any JavaScript here will be loaded for all users on every page load. */
$(document).ready(function() {
    // Calculate your result
    var result = 1 + 1;

    // Create a new list item element
    var $customItem = $('<li>')
        .attr('id', 'mw-custom-sidebar-calc')
        .text('Result: ' + result);

    // Append it to the navigation list in the sidebar
    $('#p-navigation ul').append($customItem);
});